NPPES file of Aug 9, 2026

Dillon C. Chen, MD

Diagnostic Radiology Physician · Sacramento, CA

Dillon C. Chen, MD is a diagnostic radiology physician with a practice address in Sacramento, California, and NPI 1740277060, issued on Oct 3, 2005. Check the license (California A61802, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740277060
Name
Dillon C. Chen
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
A61802 CA
L1819 TX
Self-reported in NPPES; status is on the state search
Practice location
4860 Y St Ste 3100, Sacramento, CA 95817
Phone
(916) 734-0681
Enumerated
Oct 3, 2005
Record last updated
Sep 16, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicaid ID
142780902 TX
Medicare enrollment
Enrolled (PECOS I20171031001958); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1995
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4860 Y St Ste 3100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Luke AeiltsStudent in an Organized Health Care Education/Training Program1942888904
  2. Michael Baggett, MDDiagnostic Radiology Physician1831693902
  3. Riya BansalStudent in an Organized Health Care Education/Training Program1194584680
  4. Jeffrey Brown, M.D.Diagnostic Radiology Physician1841636321
  5. Arjun Byju, MDStudent in an Organized Health Care Education/Training Program1891497723
  6. Gloria CastanedaStudent in an Organized Health Care Education/Training Program1821882911

Verify Dillon C. Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A61802
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Regents OF The Univ OF CASacramento, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dillon C. Chen among 4,500 diagnostic radiology physician records in California

Dillon C. Chen, MD is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1995 · median 2004 among the 3,130 with a school on file
  • Record last updated2019 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in California

There are 4,500 diagnostic radiology physician records in California.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Erik Abrames, M.D.Sacramento, CA 958171558342337
  2. Carol Beatty, M.D.Sacramento, CA 958171043297807
  3. Jasjeet Bindra, M.D.Sacramento, CA 958171962488148
  4. Brian Dahlin, M.D.Sacramento, CA 958171861478042
  5. Raymond Dougherty, M.D.Sacramento, CA 958171699751487
  6. Arthur Dublin, M.D.Sacramento, CA 958171669458477
  7. Eva Escobedo, M.D.Sacramento, CA 958171619955648
  8. Eugenio Gerscovich, M.D.Sacramento, CA 958171891771614

Common questions

What is Dillon C. Chen, MD's NPI number?

Dillon C. Chen, MD's National Provider Identifier (NPI) is 1740277060, issued on Oct 3, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dillon C. Chen, MD located?

The NPPES record lists a practice address at 4860 Y St Ste 3100, Sacramento, CA, 95817. Phone: (916) 734-0681. Providers update this record themselves, so call before visiting.

How can I verify Dillon C. Chen, MD's license?

NPPES lists California license number A61802, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.